Fig. 1From: The prognostic significance of topoisomerase II alpha protein in early stage luminal breast cancerRepresentative immunostaining of TOP2A in luminal breast cancers. a High expression showing strong and diffuse nuclear staining of TOP2A (≥30%); (b) Low expression showing focal weak nuclear staining of TOP2A (< 30%) (magnification × 200 in each picture)Back to article page